Stewart, J. A. (1914). The Union Flag: Its history and design / by John A. Stewart. The Scottish Patriotic Association.
Lua i Stíl Chicago (17ú heag.)Stewart, John A. The Union Flag: Its History and Design / by John A. Stewart. Glasgow: The Scottish Patriotic Association, 1914.
Lua MLA (8ú heag.)Stewart, John A. The Union Flag: Its History and Design / by John A. Stewart. The Scottish Patriotic Association, 1914.
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